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Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively.

200°C and 5 atm.
1000°C and 10 atm.
500°C and 50 atm.
1000°C and 500 atm.

Correct Answer: 1000°C and 10 atm.

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